Arm chair



FIG. 1 is a perspective view looking from above of an arm chair showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a left elevational view;

FIG. 6 is a top plan view; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an arm chair, as shown and described. 